/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package pkg_group4_delivery;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import pkg_group4_delivery.Delivery;
import pkg_group4_delivery.DeliveryService;

/**
 *
 * @author Joe
 */
public class DeliveryRetrieveDeliveryStatus extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here*/
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet DeliveryRetrieveDeliveryStatus</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet DeliveryRetrieveDeliveryStatus at " + request.getContextPath () + "</h1>");
            String strconsumerid = request.getParameter("consumerid");
            String trackingNumber = request.getParameter("trackingNumber");
            int consumerID = Integer.parseInt(strconsumerid.trim());
            //return proxy (i.e. port) for accessing web service
            DeliveryService service = new DeliveryService();
            Delivery port = service.getDeliveryPort();
            try {
                String status = port.retrieveDeliveryStatus(consumerID, trackingNumber);
                out.println("<h2>Order status = "+ status +"</h2>");
            } catch (InvalidConsumer_Exception ex) {
                Logger.getLogger(DeliveryRetrieveDeliveryStatus.class.getName()).log(Level.SEVERE, null, ex);
                out.println("<h2>Invalid Consumer</h2>");
            } catch (InvalidTrackingNum_Exception ex) {
                Logger.getLogger(DeliveryRetrieveDeliveryStatus.class.getName()).log(Level.SEVERE, null, ex);
                out.println("<h2>Invalid tracking number</h2>");
            }
            out.println("</body>");
            out.println("</html>");
            
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
